Salim AL-Kutubi, Hadeel, and Faris Abd Yaseen. “Statistical Analysis on Student in Department of Mathematics (2007-2008)”. University of Thi-Qar Journal of Science 1, no. 3 (January 12, 2009): 40–56. Accessed March 29, 2025. https://jsci.utq.edu.iq/index.php/main/article/view/186.